| Author | Lin, Kuo-ching |
| Call Number | AIT Thesis no. EV-87-25 |
| Subject(s) | Sewage--Purification--Biological treatment
|
| Note | A thesis submitted in partial fulfilment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development |
| Publisher | Asian Institute of Technology |
| Abstract | This study aimed to assess the feasibility of using mixed
substrate to enhance biogas generation from Upflow Anaerobic
Sludge Blanket CUASB> process . Three 8 . 5 L-UASB reactors were fed
with different mixture ratios of chicken manure and brewery
wastewater.
Initially the process started up at an organic loading
rate of 0.62 kg COO/m3 .d. and at a hydraulic retention time of 48
hr at 35° c. Organic loading rate was increased up to 6.3 kg
CO O/m3 .d 8 weeks after t he star t - up with improve d performance . COO removal efficiency reached up to 90 %.
Daily gas production started slowly and picked up rapidly at
the later stage . At final stage, approximately 9 L of total gas
could be produced daily a nd the average gas production rate was
180 L/kg COO added. It was found that the best results were
obtained with the digester fed with the mixture of 25 % poultry
manure a nd 75 % brewery wastewater at the organic loading rate of
3.1 1 kg COO/m3 .d a nd 24- hr hydraulic retention time. The gas
yield was 247 L/kg COO add ed. The methane content of the biogas
from t he waste varied from 66 to 73 %. Efficiency of methane
generation was 40 % of the maximum potential. |
| Year | 1987 |
| Type | Thesis |
| School | School of Environment, Resources, and Development |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Environmental Engineering and Management (EV) |
| Chairperson(s) | Shin, Hang-Sik
; |
| Examination Committee(s) | Hanaki, K. ;Vigneswaran, Saravanamuthu ; |
| Scholarship Donor(s) | The Government of R.O.C.; |
| Degree | Thesis (M. Eng.) - Asian Institute of Technology, 1987 |